1404223 has 4 divisors (see below), whose sum is σ = 1406608. Its totient is φ = 1401840.

The previous prime is 1404211. The next prime is 1404229. The reversal of 1404223 is 3224041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3224041 = 131 ⋅24611.

It is a cyclic number.

It is not a de Polignac number, because 1404223 - 2⁵ = 1404191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404197 and 1404206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403 + ... + 1723.

It is an arithmetic number, because the mean of its divisors is an integer number (351652).

2^1404223 is an apocalyptic number.

1404223 is a deficient number, since it is larger than the sum of its proper divisors (2385).

1404223 is a wasteful number, since it uses less digits than its factorization.

1404223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1404223 is about 1184.9991561178. Note that the first 3 decimals coincide. The cubic root of 1404223 is about 111.9812628094.

Adding to 1404223 its reverse (3224041), we get a palindrome (4628264).

The spelling of 1404223 in words is "one million, four hundred four thousand, two hundred twenty-three".